This paper deals with the constructing of optimal designs in regression with geometrical methods. It is proved that the covariance matrix of optimal design is fixed by its geometrical constructure. The necessary and s...This paper deals with the constructing of optimal designs in regression with geometrical methods. It is proved that the covariance matrix of optimal design is fixed by its geometrical constructure. The necessary and sufficient conditions are given to construct optimal design.展开更多
文摘This paper deals with the constructing of optimal designs in regression with geometrical methods. It is proved that the covariance matrix of optimal design is fixed by its geometrical constructure. The necessary and sufficient conditions are given to construct optimal design.